Michigan Administrative Code
Department - Licensing and Regulatory Affairs
Bureau of Fire Services
Storage and Handling of Gaseous and Liquefied Hydrogen Systems
Part 2 - STORAGE AND HANDLING OF GASEOUS HYDROGEN NFPA 50A
Chapter 6 - Fire Protection
Section R. 29.7057 - Signage

Rule 57. Sections 6-2 to 6-2.2 of the storage and handling of gaseous and Liquefied H2 code are added as follows:

6-2 Hazard identification signs shall be conspicuously placed at all locations where H2 gas is produced, stored, used, or handled.

6-2.1 Ratings shall be assigned in accordance with NFPA 704, standard system for the identification of the hazards of materials for emergency response.

6-2.2 The hazard classification of the metal hydride storage system shall be based on the H2 stored without regard to the metal hydride content.